Platform cart



FIG. 1 is a top, left perspective view of a platform cart showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom right perspective view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the platform cart and form no part of the claimed design. 

CLAIM The ornamental design for a platform cart, as shown and described. 